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HomeBackend DevelopmentPHP Tutorial [转载]学习PHP重定向的三种步骤

[转载]学习PHP重定向的三种方法

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学习PHP重定向的三种方法

http://wenku.baidu.com/view/794fec76a417866fb84a8e63.html

??? 一、HTTP头信息

???
也就是用PHPHEADER函数。PHP里的HEADER函数的作用就是向浏览器发出由HTTP协议规定的本来应该通过WEB服务器的控制指令,例如: 声明返回信息的类型("Context-type: xxx/xxx"),页面的属性("No cache", "Expire")等等。

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HTTP头信息重定向到另外一个页面的方法如下:

$url = http://www.mycodes.net;
if (isset($url))
{
Header("Location: $url");
}
?>


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注意一下:"Localtion:"后面有一个空格,不加有时也可以,但为了正确性还是加上为好。

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二、HTML标记

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HTML标记,就是用METAREFRESH标记,举例如下:

$url = http://www.mycodes.net;
if (!isset($url))??? ?
{
exit('
没有要跳转的地址呦');
}
?>







???
注意一下:其中content="5; url='http://www.mycodes.net' ",表示跳转的地址以及5秒后执行。

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三、用脚本来实现

php
$url=http://www.mycodes.net;
echo "";
?>?


???
使用header的方法最好,这样页面的跳转速度更快点,用户从视觉上不易察觉整页的跳转,而只是局部的变化!

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